Digital Cinema Initiatives
Digital Cinema Initiatives, LLC (DCI) was created in March, 2002, and is a joint venture of Disney, Fox, Paramount, Sony Pictures Entertainment, Universal and Warner Bros. Studios. DCI's primary purpose is to establish and document voluntary specifications for an open architecture for digital cinema that ensures a uniform and high level of technical performance, reliability and quality control.
Digital Cinema Object-Based Audio Addendum
September 9, 2013
Object-based audio formats that utilize new methods for delivering audio essence to the theater have come to market. This document is a specification for packaging, distribution and theatrical playback of object-based motion picture D-Cinema audio content that exceeds the delivery capability of the Digital Cinema Package (DCP) audio track file as defined in DCI's Digital Cinema System Specification (DCSS).
This specification provides requirements that will assure interoperability of object-based audio content while maintaining the current DCSS compliant architecture and KDM structure, recognizing that the D-Cinema industry is necessarily constrained by an existing installed base of equipment.
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Digital Cinema Object-Based Audio Addendum, dated September 9, 2013 (PDF)